參數(shù)資料
型號: μPD789806Y
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 95/125頁
文件大小: 366K
代理商: ΜPD789806Y
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
78
CALLT
Call Table
Subroutine Call (Call Table Reference)
[Instruction format]
CALLT [addr5]
[Operation]
(SP - 1)
(PC + 1)
H
,
(SP - 2)
(PC + 1)
L
,
SP
SP - 2,
PC
H
(00000000,addr5 + 1)
PC
L
(00000000,addr5)
[Operand]
Mnemonic
Operand ([addr5])
CALLT
[addr5]
[Flag]
Z
AC
CY
[Description]
This is a subroutine call for call table reference.
The start address (PC + 1) of the next instruction is saved in the stack and is branched to the address
indicated with the word data of a call table (the higher 8 bits of address are fixed to 00000000B and the next 5
bits are specified with addr5).
[Description example]
CALLT [40H]; Subroutine call to the word data addresses 0040H and 0041H.
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